Finding the Fourth Proportional to 1,665.56, 2,298.17 and 1,002.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.56 : 2,298.17 = 1,002.44 : x
2. Step 2: Convert to fraction form
   1,665.56/2,298.17 = 1,002.44/x
3. Step 3: Cross multiply
   1,665.56x = 2,298.17 × 1,002.44
4. Step 4: Simplify right side
   1,665.56x = 2,303,785.79
5. Step 5: Solve for x
   x = 2,303,785.79/1,665.56
6. Step 6: Final answer
   x = 1,383.19